/**
 * 微信小程序JavaScriptSDK
 *
 * @version 1.2
 * @date 2019-03-06
 */

var ERROR_CONF = {
    KEY_ERR: 311,
    KEY_ERR_MSG: 'key格式错误',
    PARAM_ERR: 310,
    PARAM_ERR_MSG: '请求参数信息有误',
    SYSTEM_ERR: 600,
    SYSTEM_ERR_MSG: '系统错误',
    WX_ERR_CODE: 1000,
    WX_OK_CODE: 200
};
var BASE_URL = 'https://apis.map.qq.com/ws/';
var URL_SEARCH = BASE_URL + 'place/v1/search';
var URL_SUGGESTION = BASE_URL + 'place/v1/suggestion';
var URL_GET_GEOCODER = BASE_URL + 'geocoder/v1/';
var URL_CITY_LIST = BASE_URL + 'district/v1/list';
var URL_AREA_LIST = BASE_URL + 'district/v1/getchildren';
var URL_DISTANCE = BASE_URL + 'distance/v1/';
var URL_DIRECTION = BASE_URL + 'direction/v1/';
var MODE = {
    driving: 'driving',
    transit: 'transit'
};
var EARTH_RADIUS = 6378136.49;
var Utils = {
    /**
     * md5加密方法
     * 版权所有©2011 Sebastian Tschan，https：//blueimp.net
     */
    safeAdd(x, y) {
        var lsw = (x & 0xffff) + (y & 0xffff);
        var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
        return (msw << 16) | (lsw & 0xffff);
    },
    bitRotateLeft(num, cnt) {
        return (num << cnt) | (num >>> (32 - cnt));
    },
    md5cmn(q, a, b, x, s, t) {
        return this.safeAdd(this.bitRotateLeft(this.safeAdd(this.safeAdd(a, q), this.safeAdd(x, t)), s), b);
    },
    md5ff(a, b, c, d, x, s, t) {
        return this.md5cmn((b & c) | (~b & d), a, b, x, s, t);
    },
    md5gg(a, b, c, d, x, s, t) {
        return this.md5cmn((b & d) | (c & ~d), a, b, x, s, t);
    },
    md5hh(a, b, c, d, x, s, t) {
        return this.md5cmn(b ^ c ^ d, a, b, x, s, t);
    },
    md5ii(a, b, c, d, x, s, t) {
        return this.md5cmn(c ^ (b | ~d), a, b, x, s, t);
    },
    binlMD5(x, len) {
        /* append padding */
        x[len >> 5] |= 0x80 << (len % 32);
        x[((len + 64) >>> 9 << 4) + 14] = len;

        var i;
        var olda;
        var oldb;
        var oldc;
        var oldd;
        var a = 1732584193;
        var b = -271733879;
        var c = -1732584194;
        var d = 271733878;

        for (i = 0; i < x.length; i += 16) {
            olda = a;
            oldb = b;
            oldc = c;
            oldd = d;

            a = this.md5ff(a, b, c, d, x[i], 7, -680876936);
            d = this.md5ff(d, a, b, c, x[i + 1], 12, -389564586);
            c = this.md5ff(c, d, a, b, x[i + 2], 17, 606105819);
            b = this.md5ff(b, c, d, a, x[i + 3], 22, -1044525330);
            a = this.md5ff(a, b, c, d, x[i + 4], 7, -176418897);
            d = this.md5ff(d, a, b, c, x[i + 5], 12, 1200080426);
            c = this.md5ff(c, d, a, b, x[i + 6], 17, -1473231341);
            b = this.md5ff(b, c, d, a, x[i + 7], 22, -45705983);
            a = this.md5ff(a, b, c, d, x[i + 8], 7, 1770035416);
            d = this.md5ff(d, a, b, c, x[i + 9], 12, -1958414417);
            c = this.md5ff(c, d, a, b, x[i + 10], 17, -42063);
            b = this.md5ff(b, c, d, a, x[i + 11], 22, -1990404162);
            a = this.md5ff(a, b, c, d, x[i + 12], 7, 1804603682);
            d = this.md5ff(d, a, b, c, x[i + 13], 12, -40341101);
            c = this.md5ff(c, d, a, b, x[i + 14], 17, -1502002290);
            b = this.md5ff(b, c, d, a, x[i + 15], 22, 1236535329);

            a = this.md5gg(a, b, c, d, x[i + 1], 5, -165796510);
            d = this.md5gg(d, a, b, c, x[i + 6], 9, -1069501632);
            c = this.md5gg(c, d, a, b, x[i + 11], 14, 643717713);
            b = this.md5gg(b, c, d, a, x[i], 20, -373897302);
            a = this.md5gg(a, b, c, d, x[i + 5], 5, -701558691);
            d = this.md5gg(d, a, b, c, x[i + 10], 9, 38016083);
            c = this.md5gg(c, d, a, b, x[i + 15], 14, -660478335);
            b = this.md5gg(b, c, d, a, x[i + 4], 20, -405537848);
            a = this.md5gg(a, b, c, d, x[i + 9], 5, 568446438);
            d = this.md5gg(d, a, b, c, x[i + 14], 9, -1019803690);
            c = this.md5gg(c, d, a, b, x[i + 3], 14, -187363961);
            b = this.md5gg(b, c, d, a, x[i + 8], 20, 1163531501);
            a = this.md5gg(a, b, c, d, x[i + 13], 5, -1444681467);
            d = this.md5gg(d, a, b, c, x[i + 2], 9, -51403784);
            c = this.md5gg(c, d, a, b, x[i + 7], 14, 1735328473);
            b = this.md5gg(b, c, d, a, x[i + 12], 20, -1926607734);

            a = this.md5hh(a, b, c, d, x[i + 5], 4, -378558);
            d = this.md5hh(d, a, b, c, x[i + 8], 11, -2022574463);
            c = this.md5hh(c, d, a, b, x[i + 11], 16, 1839030562);
            b = this.md5hh(b, c, d, a, x[i + 14], 23, -35309556);
            a = this.md5hh(a, b, c, d, x[i + 1], 4, -1530992060);
            d = this.md5hh(d, a, b, c, x[i + 4], 11, 1272893353);
            c = this.md5hh(c, d, a, b, x[i + 7], 16, -155497632);
            b = this.md5hh(b, c, d, a, x[i + 10], 23, -1094730640);
            a = this.md5hh(a, b, c, d, x[i + 13], 4, 681279174);
            d = this.md5hh(d, a, b, c, x[i], 11, -358537222);
            c = this.md5hh(c, d, a, b, x[i + 3], 16, -722521979);
            b = this.md5hh(b, c, d, a, x[i + 6], 23, 76029189);
            a = this.md5hh(a, b, c, d, x[i + 9], 4, -640364487);
            d = this.md5hh(d, a, b, c, x[i + 12], 11, -421815835);
            c = this.md5hh(c, d, a, b, x[i + 15], 16, 530742520);
            b = this.md5hh(b, c, d, a, x[i + 2], 23, -995338651);

            a = this.md5ii(a, b, c, d, x[i], 6, -198630844);
            d = this.md5ii(d, a, b, c, x[i + 7], 10, 1126891415);
            c = this.md5ii(c, d, a, b, x[i + 14], 15, -1416354905);
            b = this.md5ii(b, c, d, a, x[i + 5], 21, -57434055);
            a = this.md5ii(a, b, c, d, x[i + 12], 6, 1700485571);
            d = this.md5ii(d, a, b, c, x[i + 3], 10, -1894986606);
            c = this.md5ii(c, d, a, b, x[i + 10], 15, -1051523);
            b = this.md5ii(b, c, d, a, x[i + 1], 21, -2054922799);
            a = this.md5ii(a, b, c, d, x[i + 8], 6, 1873313359);
            d = this.md5ii(d, a, b, c, x[i + 15], 10, -30611744);
            c = this.md5ii(c, d, a, b, x[i + 6], 15, -1560198380);
            b = this.md5ii(b, c, d, a, x[i + 13], 21, 1309151649);
            a = this.md5ii(a, b, c, d, x[i + 4], 6, -145523070);
            d = this.md5ii(d, a, b, c, x[i + 11], 10, -1120210379);
            c = this.md5ii(c, d, a, b, x[i + 2], 15, 718787259);
            b = this.md5ii(b, c, d, a, x[i + 9], 21, -343485551);

            a = this.safeAdd(a, olda);
            b = this.safeAdd(b, oldb);
            c = this.safeAdd(c, oldc);
            d = this.safeAdd(d, oldd);
        }
        return [a, b, c, d];
    },
    binl2rstr(input) {
        var i;
        var output = '';
        var length32 = input.length * 32;
        for (i = 0; i < length32; i += 8) {
            output += String.fromCharCode((input[i >> 5] >>> (i % 32)) & 0xff);
        }
        return output;
    },
    rstr2binl(input) {
        var i;
        var output = [];
        output[(input.length >> 2) - 1] = undefined;
        for (i = 0; i < output.length; i += 1) {
            output[i] = 0;
        }
        var length8 = input.length * 8;
        for (i = 0; i < length8; i += 8) {
            output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << (i % 32);
        }
        return output;
    },
    rstrMD5(s) {
        return this.binl2rstr(this.binlMD5(this.rstr2binl(s), s.length * 8));
    },
    rstrHMACMD5(key, data) {
        var i;
        var bkey = this.rstr2binl(key);
        var ipad = [];
        var opad = [];
        var hash;
        ipad[15] = opad[15] = undefined;
        if (bkey.length > 16) {
            bkey = this.binlMD5(bkey, key.length * 8);
        }
        for (i = 0; i < 16; i += 1) {
            ipad[i] = bkey[i] ^ 0x36363636;
            opad[i] = bkey[i] ^ 0x5c5c5c5c;
        }
        hash = this.binlMD5(ipad.concat(this.rstr2binl(data)), 512 + data.length * 8);
        return this.binl2rstr(this.binlMD5(opad.concat(hash), 512 + 128));
    },
    rstr2hex(input) {
        var hexTab = '0123456789abcdef';
        var output = '';
        var x;
        var i;
        for (i = 0; i < input.length; i += 1) {
            x = input.charCodeAt(i);
            output += hexTab.charAt((x >>> 4) & 0x0f) + hexTab.charAt(x & 0x0f);
        }
        return output;
    },
    str2rstrUTF8(input) {
        return unescape(encodeURIComponent(input));
    },
    rawMD5(s) {
        return this.rstrMD5(this.str2rstrUTF8(s));
    },
    hexMD5(s) {
        return this.rstr2hex(this.rawMD5(s));
    },
    rawHMACMD5(k, d) {
        return this.rstrHMACMD5(this.str2rstrUTF8(k), str2rstrUTF8(d));
    },
    hexHMACMD5(k, d) {
        return this.rstr2hex(this.rawHMACMD5(k, d));
    },

    md5(string, key, raw) {
        if (!key) {
            if (!raw) {
                return this.hexMD5(string);
            }
            return this.rawMD5(string);
        }
        if (!raw) {
            return this.hexHMACMD5(key, string);
        }
        return this.rawHMACMD5(key, string);
    },
    /**
     * 得到md5加密后的sig参数
     * @param {Object} requestParam 接口参数
     * @param {String} sk签名字符串
     * @param {String} featrue 方法名
     * @return 返回加密后的sig参数
     */
    getSig(requestParam, sk, feature, mode) {
        var sig = null;
        var requestArr = [];
        Object.keys(requestParam).sort().forEach(function (key) {
            requestArr.push(key + '=' + requestParam[key]);
        });
        if (feature == 'search') {
            sig = '/ws/place/v1/search?' + requestArr.join('&') + sk;
        }
        if (feature == 'suggest') {
            sig = '/ws/place/v1/suggestion?' + requestArr.join('&') + sk;
        }
        if (feature == 'reverseGeocoder') {
            sig = '/ws/geocoder/v1/?' + requestArr.join('&') + sk;
        }
        if (feature == 'geocoder') {
            sig = '/ws/geocoder/v1/?' + requestArr.join('&') + sk;
        }
        if (feature == 'getCityList') {
            sig = '/ws/district/v1/list?' + requestArr.join('&') + sk;
        }
        if (feature == 'getDistrictByCityId') {
            sig = '/ws/district/v1/getchildren?' + requestArr.join('&') + sk;
        }
        if (feature == 'calculateDistance') {
            sig = '/ws/distance/v1/?' + requestArr.join('&') + sk;
        }
        if (feature == 'direction') {
            sig = '/ws/direction/v1/' + mode + '?' + requestArr.join('&') + sk;
        }
        sig = this.md5(sig);
        return sig;
    },
    /**
     * 得到终点query字符串
     * @param {Array|String} 检索数据
     */
    location2query(data) {
        if (typeof data == 'string') {
            return data;
        }
        var query = '';
        for (var i = 0; i < data.length; i++) {
            var d = data[i];
            if (!!query) {
                query += ';';
            }
            if (d.location) {
                query = query + d.location.lat + ',' + d.location.lng;
            }
            if (d.latitude && d.longitude) {
                query = query + d.latitude + ',' + d.longitude;
            }
        }
        return query;
    },

    /**
     * 计算角度
     */
    rad(d) {
        return d * Math.PI / 180.0;
    },
    /**
     * 处理终点location数组
     * @return 返回终点数组
     */
    getEndLocation(location) {
        var to = location.split(';');
        var endLocation = [];
        for (var i = 0; i < to.length; i++) {
            endLocation.push({
                lat: parseFloat(to[i].split(',')[0]),
                lng: parseFloat(to[i].split(',')[1])
            })
        }
        return endLocation;
    },

    /**
     * 计算两点间直线距离
     * @param a 表示纬度差
     * @param b 表示经度差
     * @return 返回的是距离，单位m
     */
    getDistance(latFrom, lngFrom, latTo, lngTo) {
        var radLatFrom = this.rad(latFrom);
        var radLatTo = this.rad(latTo);
        var a = radLatFrom - radLatTo;
        var b = this.rad(lngFrom) - this.rad(lngTo);
        var distance = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(radLatFrom) * Math.cos(radLatTo) * Math.pow(Math.sin(b / 2), 2)));
        distance = distance * EARTH_RADIUS;
        distance = Math.round(distance * 10000) / 10000;
        return parseFloat(distance.toFixed(0));
    },
    /**
     * 使用微信接口进行定位
     */
    getWXLocation(success, fail, complete) {
        wx.getLocation({
            type: 'gcj02',
            success: success,
            fail: fail,
            complete: complete
        });
    },

    /**
     * 获取location参数
     */
    getLocationParam(location) {
        if (typeof location == 'string') {
            var locationArr = location.split(',');
            if (locationArr.length === 2) {
                location = {
                    latitude: location.split(',')[0],
                    longitude: location.split(',')[1]
                };
            } else {
                location = {};
            }
        }
        return location;
    },

    /**
     * 回调函数默认处理
     */
    polyfillParam(param) {
        param.success = param.success || function () {
        };
        param.fail = param.fail || function () {
        };
        param.complete = param.complete || function () {
        };
    },

    /**
     * 验证param对应的key值是否为空
     *
     * @param {Object} param 接口参数
     * @param {String} key 对应参数的key
     */
    checkParamKeyEmpty(param, key) {
        if (!param[key]) {
            var errconf = this.buildErrorConfig(ERROR_CONF.PARAM_ERR, ERROR_CONF.PARAM_ERR_MSG + key + '参数格式有误');
            param.fail(errconf);
            param.complete(errconf);
            return true;
        }
        return false;
    },

    /**
     * 验证参数中是否存在检索词keyword
     *
     * @param {Object} param 接口参数
     */
    checkKeyword(param) {
        return !this.checkParamKeyEmpty(param, 'keyword');
    },

    /**
     * 验证location值
     *
     * @param {Object} param 接口参数
     */
    checkLocation(param) {
        var location = this.getLocationParam(param.location);
        if (!location || !location.latitude || !location.longitude) {
            var errconf = this.buildErrorConfig(ERROR_CONF.PARAM_ERR, ERROR_CONF.PARAM_ERR_MSG + ' location参数格式有误');
            param.fail(errconf);
            param.complete(errconf);
            return false;
        }
        return true;
    },

    /**
     * 构造错误数据结构
     * @param {Number} errCode 错误码
     * @param {Number} errMsg 错误描述
     */
    buildErrorConfig(errCode, errMsg) {
        return {
            status: errCode,
            message: errMsg
        };
    },

    /**
     *
     * 数据处理函数
     * 根据传入参数不同处理不同数据
     * @param {String} feature 功能名称
     * search 地点搜索
     * suggest关键词提示
     * reverseGeocoder逆地址解析
     * geocoder地址解析
     * getCityList获取城市列表：父集
     * getDistrictByCityId获取区县列表：子集
     * calculateDistance距离计算
     * @param {Object} param 接口参数
     * @param {Object} data 数据
     */
    handleData(param, data, feature) {
        if (feature == 'search') {
            var searchResult = data.data;
            var searchSimplify = [];
            for (var i = 0; i < searchResult.length; i++) {
                searchSimplify.push({
                    id: searchResult[i].id || null,
                    title: searchResult[i].title || null,
                    latitude: searchResult[i].location && searchResult[i].location.lat || null,
                    longitude: searchResult[i].location && searchResult[i].location.lng || null,
                    address: searchResult[i].address || null,
                    category: searchResult[i].category || null,
                    tel: searchResult[i].tel || null,
                    adcode: searchResult[i].ad_info && searchResult[i].ad_info.adcode || null,
                    city: searchResult[i].ad_info && searchResult[i].ad_info.city || null,
                    district: searchResult[i].ad_info && searchResult[i].ad_info.district || null,
                    province: searchResult[i].ad_info && searchResult[i].ad_info.province || null
                })
            }
            param.success(data, {
                searchResult: searchResult,
                searchSimplify: searchSimplify
            })
        } else if (feature == 'suggest') {
            var suggestResult = data.data;
            var suggestSimplify = [];
            for (var i = 0; i < suggestResult.length; i++) {
                suggestSimplify.push({
                    adcode: suggestResult[i].adcode || null,
                    address: suggestResult[i].address || null,
                    category: suggestResult[i].category || null,
                    city: suggestResult[i].city || null,
                    district: suggestResult[i].district || null,
                    id: suggestResult[i].id || null,
                    latitude: suggestResult[i].location && suggestResult[i].location.lat || null,
                    longitude: suggestResult[i].location && suggestResult[i].location.lng || null,
                    province: suggestResult[i].province || null,
                    title: suggestResult[i].title || null,
                    type: suggestResult[i].type || null
                })
            }
            param.success(data, {
                suggestResult: suggestResult,
                suggestSimplify: suggestSimplify
            })
        } else if (feature == 'reverseGeocoder') {
            var reverseGeocoderResult = data.result;
            var reverseGeocoderSimplify = {
                address: reverseGeocoderResult.address || null,
                latitude: reverseGeocoderResult.location && reverseGeocoderResult.location.lat || null,
                longitude: reverseGeocoderResult.location && reverseGeocoderResult.location.lng || null,
                adcode: reverseGeocoderResult.ad_info && reverseGeocoderResult.ad_info.adcode || null,
                city: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.city || null,
                district: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.district || null,
                nation: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.nation || null,
                province: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.province || null,
                street: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.street || null,
                street_number: reverseGeocoderResult.address_component && reverseGeocoderResult.address_component.street_number || null,
                recommend: reverseGeocoderResult.formatted_addresses && reverseGeocoderResult.formatted_addresses.recommend || null,
                rough: reverseGeocoderResult.formatted_addresses && reverseGeocoderResult.formatted_addresses.rough || null
            };
            if (reverseGeocoderResult.pois) {//判断是否返回周边poi
                var pois = reverseGeocoderResult.pois;
                var poisSimplify = [];
                for (var i = 0; i < pois.length; i++) {
                    poisSimplify.push({
                        id: pois[i].id || null,
                        title: pois[i].title || null,
                        latitude: pois[i].location && pois[i].location.lat || null,
                        longitude: pois[i].location && pois[i].location.lng || null,
                        address: pois[i].address || null,
                        category: pois[i].category || null,
                        adcode: pois[i].ad_info && pois[i].ad_info.adcode || null,
                        city: pois[i].ad_info && pois[i].ad_info.city || null,
                        district: pois[i].ad_info && pois[i].ad_info.district || null,
                        province: pois[i].ad_info && pois[i].ad_info.province || null
                    })
                }
                param.success(data, {
                    reverseGeocoderResult: reverseGeocoderResult,
                    reverseGeocoderSimplify: reverseGeocoderSimplify,
                    pois: pois,
                    poisSimplify: poisSimplify
                })
            } else {
                param.success(data, {
                    reverseGeocoderResult: reverseGeocoderResult,
                    reverseGeocoderSimplify: reverseGeocoderSimplify
                })
            }
        } else if (feature == 'geocoder') {
            var geocoderResult = data.result;
            var geocoderSimplify = {
                title: geocoderResult.title || null,
                latitude: geocoderResult.location && geocoderResult.location.lat || null,
                longitude: geocoderResult.location && geocoderResult.location.lng || null,
                adcode: geocoderResult.ad_info && geocoderResult.ad_info.adcode || null,
                province: geocoderResult.address_components && geocoderResult.address_components.province || null,
                city: geocoderResult.address_components && geocoderResult.address_components.city || null,
                district: geocoderResult.address_components && geocoderResult.address_components.district || null,
                street: geocoderResult.address_components && geocoderResult.address_components.street || null,
                street_number: geocoderResult.address_components && geocoderResult.address_components.street_number || null,
                level: geocoderResult.level || null
            };
            param.success(data, {
                geocoderResult: geocoderResult,
                geocoderSimplify: geocoderSimplify
            });
        } else if (feature == 'getCityList') {
            var provinceResult = data.result[0];
            var cityResult = data.result[1];
            var districtResult = data.result[2];
            param.success(data, {
                provinceResult: provinceResult,
                cityResult: cityResult,
                districtResult: districtResult
            });
        } else if (feature == 'getDistrictByCityId') {
            var districtByCity = data.result[0];
            param.success(data, districtByCity);
        } else if (feature == 'calculateDistance') {
            var calculateDistanceResult = data.result.elements;
            var distance = [];
            for (var i = 0; i < calculateDistanceResult.length; i++) {
                distance.push(calculateDistanceResult[i].distance);
            }
            param.success(data, {
                calculateDistanceResult: calculateDistanceResult,
                distance: distance
            });
        } else if (feature == 'direction') {
            var direction = data.result.routes;
            param.success(data, direction);
        } else {
            param.success(data);
        }
    },

    /**
     * 构造微信请求参数，公共属性处理
     *
     * @param {Object} param 接口参数
     * @param {Object} param 配置项
     * @param {String} feature 方法名
     */
    buildWxRequestConfig(param, options, feature) {
        var that = this;
        options.header = {"content-type": "application/json"};
        options.method = 'GET';
        options.success = function (res) {
            var data = res.data;
            if (data.status === 0) {
                that.handleData(param, data, feature);
            } else {
                param.fail(data);
            }
        };
        options.fail = function (res) {
            res.statusCode = ERROR_CONF.WX_ERR_CODE;
            param.fail(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
        };
        options.complete = function (res) {
            var statusCode = +res.statusCode;
            switch (statusCode) {
                case ERROR_CONF.WX_ERR_CODE: {
                    param.complete(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
                    break;
                }
                case ERROR_CONF.WX_OK_CODE: {
                    var data = res.data;
                    if (data.status === 0) {
                        param.complete(data);
                    } else {
                        param.complete(that.buildErrorConfig(data.status, data.message));
                    }
                    break;
                }
                default: {
                    param.complete(that.buildErrorConfig(ERROR_CONF.SYSTEM_ERR, ERROR_CONF.SYSTEM_ERR_MSG));
                }

            }
        };
        return options;
    },

    /**
     * 处理用户参数是否传入坐标进行不同的处理
     */
    locationProcess(param, locationsuccess, locationfail, locationcomplete) {
        var that = this;
        locationfail = locationfail || function (res) {
            res.statusCode = ERROR_CONF.WX_ERR_CODE;
            param.fail(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
        };
        locationcomplete = locationcomplete || function (res) {
            if (res.statusCode == ERROR_CONF.WX_ERR_CODE) {
                param.complete(that.buildErrorConfig(ERROR_CONF.WX_ERR_CODE, res.errMsg));
            }
        };
        if (!param.location) {
            that.getWXLocation(locationsuccess, locationfail, locationcomplete);
        } else if (that.checkLocation(param)) {
            var location = Utils.getLocationParam(param.location);
            locationsuccess(location);
        }
    }
};


class QQMapWX {

    /**
     * 构造函数
     *
     * @param {Object} options 接口参数,key 为必选参数
     */
    constructor(options) {
        if (!options.key) {
            throw Error('key值不能为空');
        }
        this.key = options.key;
    };

    /**
     * POI周边检索
     *
     * @param {Object} options 接口参数对象
     *
     * 参数对象结构可以参考
     * @see http://lbs.qq.com/webservice_v1/guide-search.html
     */
    search(options) {
        var that = this;
        options = options || {};

        Utils.polyfillParam(options);

        if (!Utils.checkKeyword(options)) {
            return;
        }

        var requestParam = {
            keyword: options.keyword,
            orderby: options.orderby || '_distance',
            page_size: options.page_size || 10,
            page_index: options.page_index || 1,
            output: 'json',
            key: that.key
        };

        if (options.address_format) {
            requestParam.address_format = options.address_format;
        }

        if (options.filter) {
            requestParam.filter = options.filter;
        }

        var distance = options.distance || "1000";
        var auto_extend = options.auto_extend || 1;
        var region = null;
        var rectangle = null;

        //判断城市限定参数
        if (options.region) {
            region = options.region;
        }

        //矩形限定坐标(暂时只支持字符串格式)
        if (options.rectangle) {
            rectangle = options.rectangle;
        }

        var locationsuccess = function (result) {
            if (region && !rectangle) {
                //城市限定参数拼接
                requestParam.boundary = "region(" + region + "," + auto_extend + "," + result.latitude + "," + result.longitude + ")";
                if (options.sig) {
                    requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
                }
            } else if (rectangle && !region) {
                //矩形搜索
                requestParam.boundary = "rectangle(" + rectangle + ")";
                if (options.sig) {
                    requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
                }
            } else {
                requestParam.boundary = "nearby(" + result.latitude + "," + result.longitude + "," + distance + "," + auto_extend + ")";
                if (options.sig) {
                    requestParam.sig = Utils.getSig(requestParam, options.sig, 'search');
                }
            }
            wx.request(Utils.buildWxRequestConfig(options, {
                url: URL_SEARCH,
                data: requestParam
            }, 'search'));
        };
        Utils.locationProcess(options, locationsuccess);
    };

    /**
     * sug模糊检索
     *
     * @param {Object} options 接口参数对象
     *
     * 参数对象结构可以参考
     * http://lbs.qq.com/webservice_v1/guide-suggestion.html
     */
    getSuggestion(options) {
        var that = this;
        options = options || {};
        Utils.polyfillParam(options);

        if (!Utils.checkKeyword(options)) {
            return;
        }

        var requestParam = {
            keyword: options.keyword,
            region: options.region || '全国',
            region_fix: options.region_fix || 0,
            policy: options.policy || 0,
            page_size: options.page_size || 10,//控制显示条数
            page_index: options.page_index || 1,//控制页数
            get_subpois: options.get_subpois || 0,//返回子地点
            output: 'json',
            key: that.key
        };
        //长地址
        if (options.address_format) {
            requestParam.address_format = options.address_format;
        }
        //过滤
        if (options.filter) {
            requestParam.filter = options.filter;
        }
        //排序
        if (options.location) {
            var locationsuccess = function (result) {
                requestParam.location = result.latitude + ',' + result.longitude;
                if (options.sig) {
                    requestParam.sig = Utils.getSig(requestParam, options.sig, 'suggest');
                }
                wx.request(Utils.buildWxRequestConfig(options, {
                    url: URL_SUGGESTION,
                    data: requestParam
                }, "suggest"));
            };
            Utils.locationProcess(options, locationsuccess);
        } else {
            if (options.sig) {
                requestParam.sig = Utils.getSig(requestParam, options.sig, 'suggest');
            }
            wx.request(Utils.buildWxRequestConfig(options, {
                url: URL_SUGGESTION,
                data: requestParam
            }, "suggest"));
        }
    };

    /**
     * 逆地址解析
     *
     * @param {Object} options 接口参数对象
     *
     * 请求参数结构可以参考
     * http://lbs.qq.com/webservice_v1/guide-gcoder.html
     */
    reverseGeocoder(options) {
        var that = this;
        options = options || {};
        Utils.polyfillParam(options);
        var requestParam = {
            coord_type: options.coord_type || 5,
            get_poi: options.get_poi || 0,
            output: 'json',
            key: that.key
        };
        if (options.poi_options) {
            requestParam.poi_options = options.poi_options
        }

        var locationsuccess = function (result) {
            requestParam.location = result.latitude + ',' + result.longitude;
            if (options.sig) {
                requestParam.sig = Utils.getSig(requestParam, options.sig, 'reverseGeocoder');
            }
            wx.request(Utils.buildWxRequestConfig(options, {
                url: URL_GET_GEOCODER,
                data: requestParam
            }, 'reverseGeocoder'));
        };
        Utils.locationProcess(options, locationsuccess);
    };

    /**
     * 地址解析
     *
     * @param {Object} options 接口参数对象
     *
     * 请求参数结构可以参考
     * http://lbs.qq.com/webservice_v1/guide-geocoder.html
     */
    geocoder(options) {
        var that = this;
        options = options || {};
        Utils.polyfillParam(options);

        if (Utils.checkParamKeyEmpty(options, 'address')) {
            return;
        }

        var requestParam = {
            address: options.address,
            output: 'json',
            key: that.key
        };

        //城市限定
        if (options.region) {
            requestParam.region = options.region;
        }

        if (options.sig) {
            requestParam.sig = Utils.getSig(requestParam, options.sig, 'geocoder');
        }

        wx.request(Utils.buildWxRequestConfig(options, {
            url: URL_GET_GEOCODER,
            data: requestParam
        }, 'geocoder'));
    };


    /**
     * 获取城市列表
     *
     * @param {Object} options 接口参数对象
     *
     * 请求参数结构可以参考
     * http://lbs.qq.com/webservice_v1/guide-region.html
     */
    getCityList(options) {
        var that = this;
        options = options || {};
        Utils.polyfillParam(options);
        var requestParam = {
            output: 'json',
            key: that.key
        };

        if (options.sig) {
            requestParam.sig = Utils.getSig(requestParam, options.sig, 'getCityList');
        }

        wx.request(Utils.buildWxRequestConfig(options, {
            url: URL_CITY_LIST,
            data: requestParam
        }, 'getCityList'));
    };

    /**
     * 获取对应城市ID的区县列表
     *
     * @param {Object} options 接口参数对象
     *
     * 请求参数结构可以参考
     * http://lbs.qq.com/webservice_v1/guide-region.html
     */
    getDistrictByCityId(options) {
        var that = this;
        options = options || {};
        Utils.polyfillParam(options);

        if (Utils.checkParamKeyEmpty(options, 'id')) {
            return;
        }

        var requestParam = {
            id: options.id || '',
            output: 'json',
            key: that.key
        };

        if (options.sig) {
            requestParam.sig = Utils.getSig(requestParam, options.sig, 'getDistrictByCityId');
        }

        wx.request(Utils.buildWxRequestConfig(options, {
            url: URL_AREA_LIST,
            data: requestParam
        }, 'getDistrictByCityId'));
    };

    /**
     * 用于单起点到多终点的路线距离(非直线距离)计算：
     * 支持两种距离计算方式：步行和驾车。
     * 起点到终点最大限制直线距离10公里。
     *
     * 新增直线距离计算。
     *
     * @param {Object} options 接口参数对象
     *
     * 请求参数结构可以参考
     * http://lbs.qq.com/webservice_v1/guide-distance.html
     */
    calculateDistance(options) {
        var that = this;
        options = options || {};
        Utils.polyfillParam(options);

        if (Utils.checkParamKeyEmpty(options, 'to')) {
            return;
        }

        var requestParam = {
            mode: options.mode || 'walking',
            to: Utils.location2query(options.to),
            output: 'json',
            key: that.key
        };

        if (options.from) {
            options.location = options.from;
        }

        //计算直线距离
        if (requestParam.mode == 'straight') {
            var locationsuccess = function (result) {
                var locationTo = Utils.getEndLocation(requestParam.to);//处理终点坐标
                var data = {
                    message: "query ok",
                    result: {
                        elements: []
                    },
                    status: 0
                };
                for (var i = 0; i < locationTo.length; i++) {
                    data.result.elements.push({//将坐标存入
                        distance: Utils.getDistance(result.latitude, result.longitude, locationTo[i].lat, locationTo[i].lng),
                        duration: 0,
                        from: {
                            lat: result.latitude,
                            lng: result.longitude
                        },
                        to: {
                            lat: locationTo[i].lat,
                            lng: locationTo[i].lng
                        }
                    });
                }
                var calculateResult = data.result.elements;
                var distanceResult = [];
                for (var i = 0; i < calculateResult.length; i++) {
                    distanceResult.push(calculateResult[i].distance);
                }
                return options.success(data, {
                    calculateResult: calculateResult,
                    distanceResult: distanceResult
                });
            };

            Utils.locationProcess(options, locationsuccess);
        } else {
            var locationsuccess = function (result) {
                requestParam.from = result.latitude + ',' + result.longitude;
                if (options.sig) {
                    requestParam.sig = Utils.getSig(requestParam, options.sig, 'calculateDistance');
                }
                wx.request(Utils.buildWxRequestConfig(options, {
                    url: URL_DISTANCE,
                    data: requestParam
                }, 'calculateDistance'));
            };

            Utils.locationProcess(options, locationsuccess);
        }
    };

    /**
     * 路线规划：
     *
     * @param {Object} options 接口参数对象
     *
     * 请求参数结构可以参考
     * https://lbs.qq.com/webservice_v1/guide-road.html
     */
    direction(options) {
        var that = this;
        options = options || {};
        Utils.polyfillParam(options);

        if (Utils.checkParamKeyEmpty(options, 'to')) {
            return;
        }

        var requestParam = {
            output: 'json',
            key: that.key
        };

        //to格式处理
        if (typeof options.to == 'string') {
            requestParam.to = options.to;
        } else {
            requestParam.to = options.to.latitude + ',' + options.to.longitude;
        }
        //初始化局部请求域名
        var SET_URL_DIRECTION = null;
        //设置默认mode属性
        options.mode = options.mode || MODE.driving;

        //设置请求域名
        SET_URL_DIRECTION = URL_DIRECTION + options.mode;

        if (options.from) {
            options.location = options.from;
        }

        if (options.mode == MODE.driving) {
            if (options.from_poi) {
                requestParam.from_poi = options.from_poi;
            }
            if (options.heading) {
                requestParam.heading = options.heading;
            }
            if (options.speed) {
                requestParam.speed = options.speed;
            }
            if (options.accuracy) {
                requestParam.accuracy = options.accuracy;
            }
            if (options.road_type) {
                requestParam.road_type = options.road_type;
            }
            if (options.to_poi) {
                requestParam.to_poi = options.to_poi;
            }
            if (options.from_track) {
                requestParam.from_track = options.from_track;
            }
            if (options.waypoints) {
                requestParam.waypoints = options.waypoints;
            }
            if (options.policy) {
                requestParam.policy = options.policy;
            }
            if (options.plate_number) {
                requestParam.plate_number = options.plate_number;
            }
        }

        if (options.mode == MODE.transit) {
            if (options.departure_time) {
                requestParam.departure_time = options.departure_time;
            }
            if (options.policy) {
                requestParam.policy = options.policy;
            }
        }

        var locationsuccess = function (result) {
            requestParam.from = result.latitude + ',' + result.longitude;
            if (options.sig) {
                requestParam.sig = Utils.getSig(requestParam, options.sig, 'direction', options.mode);
            }
            wx.request(Utils.buildWxRequestConfig(options, {
                url: SET_URL_DIRECTION,
                data: requestParam
            }, 'direction'));
        };

        Utils.locationProcess(options, locationsuccess);
    }
};

export default QQMapWX;